At one time or another, just about everyone has talked about the end of the world. But what does this phrase really mean? Does it mean the end of the human race? The end of planet Earth? The end of our Sun and solar system? And if the world were to actually end, how and when would it happen? People have been asking these questions for thousands of years. Many religious prophets have predicted the end of the world. Science-fiction writers have created lots of end-of-the-world stories. Scientists, too, talk about natural events that could destroy human life or planet Earth. Some end-of-the-world events are dramatic. Imagine an asteroid slamming into Earth, creating a massive explosion. Other scenarios don t involve a single, catastrophic event. For example, global warming is changing the planet and threatening people, plants, and animals. It might not bring about the end of the world, but it might change life as we know it. In this book, we’ll look at these scenarios and many more everything from Mayan prophecy to nuclear disaster to the end of the universe. We’ll find out which scenarios to ignore and which ones to really worry about.
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